Home / 259,143.20-357,603.14-142,852.92

Finding the Fourth Proportional to 259,143.20, 357,603.14 and 142,852.92

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Solution

The fourth proportional to 259,143.20, 357,603.14 and 142,852.92 is: 197,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,143.20 : 357,603.14 = 142,852.92 : x
  2. Step 2: Convert to fraction form
    259,143.20/357,603.14 = 142,852.92/x
  3. Step 3: Cross multiply
    259,143.20x = 357,603.14 × 142,852.92
  4. Step 4: Simplify right side
    259,143.20x = 51,084,652,750.17
  5. Step 5: Solve for x
    x = 51,084,652,750.17/259,143.20
  6. Step 6: Final answer
    x = 197,129.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.